307   using ROCKSDB_NAMESPACE::fastrange64;  in TEST()
309   EXPECT_EQ(fastrange64(0, 0), 0U);  in TEST()
310   EXPECT_EQ(fastrange64(123, 0), 0U);  in TEST()
311   EXPECT_EQ(fastrange64(0xffffFFFF, 0), 0U);  in TEST()
312   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 0), 0U);  in TEST()
315   EXPECT_EQ(fastrange64(0, 1), 0U);  in TEST()
316   EXPECT_EQ(fastrange64(123, 1), 0U);  in TEST()
317   EXPECT_EQ(fastrange64(0xffffFFFF, 1), 0U);  in TEST()
318   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 1), 0U);  in TEST()
321   EXPECT_EQ(fastrange64(0, 2), 0U);  in TEST()
322   EXPECT_EQ(fastrange64(123, 2), 0U);  in TEST()
323   EXPECT_EQ(fastrange64(0xffffFFFF, 2), 0U);  in TEST()
324   EXPECT_EQ(fastrange64(0x7fffFFFFffffFFFF, 2), 0U);  in TEST()
325   EXPECT_EQ(fastrange64(0x8000000000000000, 2), 1U);  in TEST()
326   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 2), 1U);  in TEST()
329   EXPECT_EQ(fastrange64(0, 7), 0U);  in TEST()
330   EXPECT_EQ(fastrange64(123, 7), 0U);  in TEST()
331   EXPECT_EQ(fastrange64(0xffffFFFF, 7), 0U);  in TEST()
332   EXPECT_EQ(fastrange64(2635249153387078802, 7), 0U);  in TEST()
333   EXPECT_EQ(fastrange64(2635249153387078803, 7), 1U);  in TEST()
334   EXPECT_EQ(fastrange64(5270498306774157604, 7), 1U);  in TEST()
335   EXPECT_EQ(fastrange64(5270498306774157605, 7), 2U);  in TEST()
336   EXPECT_EQ(fastrange64(0x7fffFFFFffffFFFF, 7), 3U);  in TEST()
337   EXPECT_EQ(fastrange64(0x8000000000000000, 7), 3U);  in TEST()
338   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 7), 6U);  in TEST()
341   EXPECT_EQ(fastrange64(0x100000000, 0x80000000), 0U);  in TEST()
342   EXPECT_EQ(fastrange64(0x200000000, 0x80000000), 1U);  in TEST()
343   EXPECT_EQ(fastrange64(0x400000000, 0x7fffFFFF), 1U);  in TEST()
344   EXPECT_EQ(fastrange64(0x400000000, 0x80000000), 2U);  in TEST()
345   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 0x7fffFFFF), 0x7fffFFFEU);  in TEST()
346   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 0x80000000), 0x7fffFFFFU);  in TEST()
350   EXPECT_EQ(fastrange64(0x7fffFFFFffffFFFF, 0x4200000002), 0x2100000000U);  in TEST()
351   EXPECT_EQ(fastrange64(0x8000000000000000, 0x4200000002), 0x2100000001U);  in TEST()
353   EXPECT_EQ(fastrange64(0x0000000000000000, 420000000002), 0U);  in TEST()
354   EXPECT_EQ(fastrange64(0x7fffFFFFffffFFFF, 420000000002), 210000000000U);  in TEST()
355   EXPECT_EQ(fastrange64(0x8000000000000000, 420000000002), 210000000001U);  in TEST()
356   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 420000000002), 420000000001U);  in TEST()
358   EXPECT_EQ(fastrange64(0xffffFFFFffffFFFF, 0xffffFFFFffffFFFF),  in TEST()
369 size_t fastrange64(uint64_t hash, size_t range) {  in fastrange64()  function
370   return ROCKSDB_NAMESPACE::fastrange64(hash, range);  in fastrange64()